set label '1' right front at  -3.987,  3.862 tc lt 3        
set label '2' right front at   3.602,  3.812 tc lt 3        
set label '3' right front at   3.670, -3.771 tc lt 3        
set label '4' right front at  -4.024, -3.853 tc lt 3        
set key bottom
set title'chute-circ1'
set size square
plot [    -19.50:     19.50][    -19.50:     19.50]\
     'chute-circ1.pldf' notitle w linesp ,\
     'chute-circ1.plde' notitle w linesp ,\
     'alvocirc001-00.pld' t 'Exato' w linesp lt 4 ps .4,\
     'chute-circ1-00.pld' t 'Inicial - Resid.= 0.90E+00' w linesp lt 10 ps .4,\
     'chute-circ1-01.pld' t 'Iter.01 - Resid.= 0.11E-01' w linesp lt 3 ps .4
set terminal jpeg large size 600,600
set output './jpg/chute-circ1-01.jpg'
replot
set terminal png small size 400,400
set output './png/chute-circ1-01.png'
replot
